CN107049593B

CN107049593B - Medical meibomian resectoscope

Info

Publication number: CN107049593B
Application number: CN201611238541.3A
Authority: CN
Inventors: 梅娜; 邰叶; 谢焕清
Original assignee: Suzhou Science and Technology Town Hospital
Current assignee: Suzhou Science and Technology Town Hospital
Priority date: 2016-12-28
Filing date: 2016-12-28
Publication date: 2023-08-25
Anticipated expiration: 2036-12-28
Also published as: CN107049593A

Abstract

The invention discloses a medical meibomian resectoscope, comprising: through carrying out structural and functional improvement to current eyelid clamp, add right angle sword and spout to last clamping piece chuck and increase operation precision and security, avoid causing the destruction to eye tissue and capillary when cutting with the scalpel.

Description

Medical meibomian resectoscope

Technical Field

The present invention relates to a medical device for use in ophthalmic surgery. More particularly, the present invention relates to a meibomian resectoscope for use in meibomian resectioning procedures.

Background

The prior meibomian clips are mainly used for expanding and fixing the incised eyelid in the ophthalmic surgery;

specifically, the following structure is generally included: an upper clamping piece with a bent clamping head and a lower clamping piece with a supporting plate;

however, in this structure, since only the eyelid can be fixed, the surgical knife is required to manually judge the depth of the knife and the length of the meibomian resection, which causes the easy destruction of the ocular membrane tissue and the capillary vessel.

Disclosure of Invention

It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.

It is a further object of the present invention to provide a meibomian resectoscope for meibomian surgery that is capable of precisely resecting the patient's meibomian.

It is also an object of the present invention to improve the efficiency of meibomian surgery by improving the methods of existing palpebral clamps in order to obtain a better surgical result.

To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a medical meibomian resectoscope for use in a meibomian resectioning operation, comprising:

the upper clamping piece is provided with an elliptical bent clamping head (1) and a cylindrical sliding rail (6), the circumferential inner surface of the bent clamping head is provided with four grooves (5), the inner surface of each groove is provided with a semicircular rubber clamping groove (8), and two ends of the cylindrical sliding rail are transversely and horizontally placed and clamped into the grooves;

the right angle knife (9) is characterized in that the right angle edges at two ends of the right angle knife are knife edges, an unclosed cylindrical sleeve (4) is arranged on the upper portion of the right angle knife body, the right angle knife body and the two cylindrical sleeves are integrally formed, the right angle knife is placed in an inverted triangle, the cylindrical sleeves are sleeved on the cylindrical sliding rail, and the right angle knife can move in the horizontal direction.

Preferably, the two cylindrical sliding rails are stainless steel solid column-shaped sliding rails, the two cylindrical sliding rails are 18mm long and 1mm in diameter, a stainless steel flat plate (7) with the height of 1mm is arranged on the outer surface of each of the two cylindrical sliding rails, the thickness of each stainless steel flat plate (7) is 0.5mm, the stainless steel flat plate (7) and the cylindrical sliding rails are integrally formed, the horizontal distance between the two cylindrical sliding rails is 3mm, fixing strips are welded at the two ends of each of the two cylindrical sliding rails on each of the two cylindrical sliding rails, laser engraving scale strips are adopted at the joint of each of the two cylindrical sliding rails and each of the two cylindrical sliding rails, the scale strips are 0.1mm in accuracy, the surfaces of the sliding rails and the stainless steel flat plates (7) are smooth and flat, no protrusions exist on the surfaces of the sliding rails, the sliding rails are stable in structure, and the cylinders on the right-angle cutters can freely slide on the sliding rails.

Preferably, the lower clamping piece is provided with a supporting plate (3) with the same shape and size as the upper clamping piece bending clamp head, the upper clamping piece and the lower clamping piece form a V-shaped meibomian clamp, an opening part of the V-shaped meibomian clamp is used for clamping eyelid and pulling and overturning eyelid, the bending clamp head has a long axis length of 20mm, a short axis length of 10mm and a thickness of 4mm.

Preferably, the handle end integrated into one piece is divided into upper clamping piece handle and lower clamping piece handle in the middle part, the handle is flat strip, the handle length is 70mm thick 1mm, the chuck is located handle head end to make a diameter at the handle middle part that belongs respectively and be 2 mm's through hole, the through hole is with a diameter being 1.9mm, and the bolt of length 15mm is worn into from the one end in lower clamping piece hole, twists tightly with the nut in the inboard of lower clamping piece, wears out the bolt from the hole of upper clamping piece again, twists tightly the nut in the outside of upper clamping piece, the handle is bar anti-skidding handle, and middle part shell surface sets up bar silica gel layer.

Preferably, the distance between the pair of grooves is 3mm, the grooves are provided with semicircular rubber clamping grooves (8), the distance between each semicircular rubber clamping groove is 0.5mm, and the diameter of each semicircle is 1mm.

Preferably, the length of the right angle knife is 5mm, the vertical section is an equilateral right angle with the length of 3mm, and the straight line distance of the right angle side opening is 3mm.

Preferably, the upper clamping piece bending head and tail part is connected with a magnifying glass (10) with a multiplying power of 3.0X, the magnifying glass is elliptical, the magnifying glass can rotate along the long axis direction, and the periphery of the magnifying glass is provided with a rubber protection cover.

The object of the invention is further achieved by a method of processing a medical meibomian resectoscope, comprising:

preferably, the stainless steel part is all 304 stainless steel when the medical meibomian resectoscope is manufactured, and the hardness of the stainless steel part is 50-70HRC.

Preferably, the stainless steel parts of the upper clamping piece and the lower clamping piece are polished and ground to be smooth in appearance without favorable edges when the medical meibomian cutter is manufactured, and the connection firmness and the elasticity of the upper clamping piece and the lower clamping piece are tested by repeatedly closing the top parts of the upper clamping piece and the lower clamping piece again for three times after opening 50 mm.

Preferably, the medical meibomian resectoscope is boiled in boiling water with the immersion height of 40mm for 30 minutes after being manufactured to test the corrosion resistance, and is placed in a high-temperature sterilization box with the temperature of 500 ℃ for sterilization after being tested to be qualified.

The invention at least comprises the following beneficial effects: the height of the right angle knife can be adjusted due to the structure of the transverse chute and the vertical chute of the upper clamping piece bending chuck;

the right-angle knife circular sleeve is sleeved on the sliding rail, so that the right-angle knife can be fixed, and the right-angle knife is prevented from swinging up and down;

because the upper clamping piece and the lower clamping piece form a V-shaped meibomian clamp, the opening part of the V-shaped meibomian clamp can clamp eyelid and pull and overturn eyelid;

the handle is characterized in that the tail end of the handle is integrally formed and is partially divided into an upper clamping piece handle and a lower clamping piece handle, a through hole with the diameter of 2mm is formed in the middle of the handle, a bolt with the diameter of 1.9mm and the length of 15mm is used for penetrating in from one end of the lower clamping piece hole, a nut is used for twisting the inner side of the lower clamping piece, the bolt penetrates out of the hole of the upper clamping piece, the nut is twisted on the outer side of the upper clamping piece, the handle is a strip-shaped anti-skid handle, and a strip-shaped silica gel layer is arranged on the outer surface of a middle shell, so that dislocation in the use process can be prevented;

the inner surface of the vertical sliding groove is provided with a semicircular rubber clamping groove (8), so that two ends of the transverse groove can be clamped, and the transverse groove can be prevented from sliding up and down at will;

the right angle knife is 5mm long, the vertical section is an equilateral right angle with the length of 3mm, and the straight line distance of the right angle side opening is 3mm, so that the cutting effect is a wedge-shaped strip shape, but the eyelid can not be cut through.

The upper clamping piece is connected with a magnifier (10) with the multiplying power of 3.0X at the tail part of the upper clamping piece, the magnifier is elliptical, and can rotate along the long axis direction, and the periphery of the magnifier is provided with a rubber protection cover, so that the magnifier can be observed more carefully during operation;

the stainless steel parts of the upper clamping piece and the lower clamping piece of the medical meibomian cutter are polished and polished to have smooth appearance and no favorable edges, so that the safety of operation can be ensured, and the occurrence of medical accidents is prevented;

the medical meibomian resectoscope is boiled in boiling water with the immersion height of 40mm for 30 minutes after being manufactured to test the corrosion resistance, and is put into a high-temperature sterilization box with the temperature of 500 ℃ for sterilization after being tested to prevent wound infection after operation.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the structure of an upper clip and a lower clip according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the sliding rail and the right angle blade in the embodiment of the invention in fig. 1.

Fig. 3 is a schematic structural view of the right angle blade and the mounting position of the right angle blade and the upper clamping piece, and the groove.

Detailed Description

The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

When in use

In the technical scheme, the transverse sliding chute is used for fixing the right angle knife, the vertical sliding chute is used for adjusting the height of the right angle knife, clamping the eyelid of a patient after adjusting the position, and transversely sliding the right angle knife to cut off the too thick eyelid plate of the patient.

In another example, the existing eyelid clip is mainly used for flexibly applying a lip gland clip, and only the eyelid is fixed after the upper clamping piece and the lower clamping piece are closed, and a surgical knife is required to be operated to cut the eyelid, the upper clamping piece and the lower clamping piece of the medical eyelid resectoscope of the invention form a V-shaped eyelid clip, the opening part of the V-shaped eyelid clip is used for clamping the eyelid and pulling and overturning the eyelid, the long axis length of the bent clip is 20mm, the short axis length is 10mm, the thickness is 3mm, the handle is in a flat strip shape, the length of the handle is 70mm, the thickness of the handle is 1mm, the clip is positioned at the head end of the handle, and the lower clamping piece is a supporting plate with the same shape and size as the bent clip of the upper clamping piece, so that the blade is prevented from cutting through the eyelid.

The handle in above-mentioned scheme, handle end integrated into one piece is partly gone up clamping piece handle and lower clamping piece handle in the part to do a diameter in the middle part respectively and be 2 mm's through-hole, the through-hole is with a diameter for 1.9mm, and the bolt that length is 15mm is worn into from the one end in lower clamping piece hole, twists tightly in the inboard of clamping piece down with the nut, wears out the hole of last clamping piece with the bolt again, twists tightly the nut in the outside of clamping piece, the handle is bar anti-skidding handle, and its middle part shell surface sets up bar silica gel layer, the handle mode of operation is: the tail end is fixed with the middle part, prevents dislocation phenomenon that the live time overlength produced from appearing, and the frictional force of hand and handle is strengthened greatly to the bar silica gel layer to increase anti-skidding effect.

According to the manufacturing method of the medical meibomian resectoscope, the stainless steel part is all 304 stainless steel with the hardness of 50-70HRC, the hardness intensity of the stainless steel is higher than that of common stainless steel, the stainless steel parts of the upper clamping piece and the lower clamping piece are polished and polished to have smooth appearance without edges when being manufactured, the tops of the upper clamping piece and the lower clamping piece are opened by 50mm and are closed again and again for three times to check the connection firmness and elasticity, and medical accidents are avoided when the medical meibomian resectoscope is used.

And (3) placing the medical meibomian resectoscope in a high-temperature sterilization box at 500 ℃ for sterilization after being checked to be qualified, and placing the medical meibomian resectoscope in a vacuum bag for preservation to prevent secondary pollution.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. The use, modification and variation of the medical meibomian resectoscope of the present invention will be apparent to those skilled in the art.

As described above, according to the invention, the height and horizontal position of the right angle knife can be freely adjusted due to the slide rail, the groove and the right angle knife which are arranged on the upper clamping head bending clamping head, and the scale bar on the slide rail increases the adjusting precision, so that the invention has safe and accurate operation using effect, and the magnifying glass can be observed more carefully during operation.

Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. A medical meibomian resectoscope, comprising:

the upper clamping piece is provided with an elliptical bent clamping head (1) and cylindrical sliding rails (6), four grooves (5) are formed in the circumferential inner surface of the bent clamping head, semicircular rubber clamping grooves (8) are formed in the inner surface of the grooves, the cylindrical sliding rails are horizontally arranged, two ends of each cylindrical sliding rail are clamped into the grooves, the length of each cylindrical sliding rail is 18mm, and the distance between the two cylindrical sliding rails is 3mm;

the right angle knife (9) is provided with two right angle edges at two ends, the upper part of the knife body of the right angle knife is provided with two unclosed cylindrical sleeves (4), the knife body of the right angle knife and the two cylindrical sleeves are integrally formed, the right angle knife is arranged in an inverted triangle manner, the cylindrical sleeves are sleeved on a cylindrical sliding rail, the right angle knife can move in the horizontal direction, the length of the right angle knife is 5mm, the vertical section of the right angle knife is an equilateral right angle with the length of 3mm, and the opening straight line distance of the right angle edge is 3mm;

the handle is characterized in that the tail end of the handle is integrally formed and is partially divided into an upper clamping piece handle and a lower clamping piece handle, the handle is in a flat strip shape, the length of the handle is 70mm, the clamping head is positioned at the head end of the handle, a through hole with the diameter of 2mm is formed in the middle of the handle, the through hole is penetrated in from one end of the lower clamping piece hole by a bolt with the diameter of 1.9mm and the length of 15mm, the bolt is twisted on the inner side of the lower clamping piece by a nut, the bolt is penetrated out from the hole of the upper clamping piece, the nut is twisted on the outer side of the upper clamping piece, the handle is a strip-shaped anti-skid handle, and a strip-shaped silica gel layer is arranged on the outer surface of a middle shell;

the upper clamping piece and the lower clamping piece form a V-shaped meibomian clamp, the opening part of the V-shaped meibomian clamp is used for clamping eyelid and pulling and overturning eyelid, the long axis length of the bending clamp is 20mm, the short axis length is 10mm, and the thickness is 4mm.

2. The medical meibomian cutter of claim 1, wherein the two cylindrical rails are stainless steel solid column rails, the diameter of the two cylindrical rails is 1mm, a stainless steel flat plate is arranged on the outer surface of the two cylindrical rails, the thickness of the stainless steel flat plate is 0.5mm, the stainless steel flat plate and the cylindrical rails are integrally formed, the horizontal distance between the two cylindrical rails is 3mm, fixing strips are welded at two ends of the stainless steel flat plate on the two cylindrical rails, laser carving scale strips are adopted at the joints of the two cylindrical rails and the rails, the scale strip precision is 0.1mm, and the sleeve on the right angle knife can freely slide on the rails.

3. The medical meibomian resectoscope according to claim 1, wherein the upper jaw curved jaw head and tail is connected with a magnifying glass (10) with a magnification of 3.0X, the magnifying glass is elliptical, the magnifying glass is rotatable around the long axis direction, and the periphery thereof is provided with a rubber protective cover.

4. The medical meibomian resectoscope according to claim 1, wherein the stainless steel portion is entirely 304 stainless steel, and has a hardness of 50-70HRC.

5. The medical meibomian resectoscope according to claim 1, wherein the stainless steel portions of the upper and lower jaws of the medical meibomian resectoscope are polished to a smooth appearance.